US6640349B2ExpiredUtilityA1
Toilet seat
Est. expiryAug 2, 2021(expired)· nominal 20-yr term from priority
B29C 45/6714A47K 13/00B29C 37/0028B29C 45/14819B29C 45/16B29K 2023/12B29K 2711/14B29L 2031/7694B29L 2031/771
67
PatentIndex Score
14
Cited by
22
References
2
Claims
Abstract
A toilet seat assembly is provided. The toilet seat assembly has a toilet seat ring and a toilet seat cover having cores of cellulosic materials such as wood derivatives or other natural cellulosic materials. The toilet seat ring and cover are encapsulated by a polymeric material bonded thereto, preferably polypropylene plastic. The plastic overlay has integrally formed hinge ears to allow the toilet seat ring to be pivotally connected with the toilet seat bowl.
Claims
exact text as granted — not AI-modifiedWe claim:
1. A method of manufacturing a toilet seat ring, comprising:
first injecting into a mold a polymeric material to encapsulate a core and to integrally form hinge ears to allow said toilet seat ring to be pivotally connected with a toilet bowl; and
secondly injecting into said mold an injectable cellulosic material to form said core for a toilet seat cover.
2. A method of manufacturing a toilet seat cover, comprising:
first injecting into a mold a polymeric material to encapsulate a core and to integrally form hinge ears to allow said toilet seat cover to be pivotally connected with respect to a toilet bowl; and
secondly injecting into said mold an injectable cellulosic material to form said core for said toilet seat cover.Join the waitlist — get patent alerts
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